* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;

}

header {
    width: 100%;
    height: 60px;
    background-color: white;
    box-shadow: 0px 5px 10px 0px rgb(230, 233, 238);
}

main {
    margin-top: 15px;

    height: 89%;
    width: 100%;

}

.main-center {
    height: 100%;
    width: 90%;
    margin: auto;
    background-color: white;
    border-radius: 10px;
}
.page{
    width: 80px;
    height: 30px;
    outline: none;
    border: none;
    border: 1px solid rgb(229, 228, 228);
}
.page-info{
    width: 100%;
    height: 80px;
    text-align: center;
    position: fixed;
    bottom: -10px;
}

.page-info>*{
    margin: 10px;
}